Revert "KVM: SVM: Sync g_pat with guest-written PAT value"

This reverts commit e098223b789b4a618dacd79e5e0dad4a9d5018d1,
which has a dependency on other commits being reverted.

Cc: stable@vger.kernel.org # 4.2+
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 10 deletions

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 9e88078f4146..22601206ffd7 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3354,16 +3354,6 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
         case MSR_VM_IGNNE:
                 vcpu_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data);
                 break;
-        case MSR_IA32_CR_PAT:
-                if (npt_enabled) {
-                        if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data))
-                                return 1;
-                        vcpu->arch.pat = data;
-                        svm_set_guest_pat(svm, &svm->vmcb->save.g_pat);
-                        mark_dirty(svm->vmcb, VMCB_NPT);
-                        break;
-                }
-                /* fall through */
         default:
                 return kvm_set_msr_common(vcpu, msr);
         }